boinc/client/acct_mgr.C

537 lines
17 KiB
C

// Berkeley Open Infrastructure for Network Computing
// http://boinc.berkeley.edu
// Copyright (C) 2005 University of California
//
// This is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation;
// either version 2.1 of the License, or (at your option) any later version.
//
// This software is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// To view the GNU Lesser General Public License visit
// http://www.gnu.org/copyleft/lesser.html
// or write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifdef _WIN32
#include "boinc_win.h"
#endif
#ifndef _WIN32
#include "config.h"
#endif
#include "parse.h"
#include "error_numbers.h"
#include "client_msgs.h"
#include "util.h"
#include "file_names.h"
#include "filesys.h"
#include "client_state.h"
#include "gui_http.h"
#include "crypt.h"
#include "acct_mgr.h"
static const char *run_mode_name[] = {"", "always", "auto", "never"};
ACCT_MGR_OP::ACCT_MGR_OP() {
global_prefs_xml = 0;
}
// do an account manager RPC;
// if url is null, detach from current account manager
//
int ACCT_MGR_OP::do_rpc(
std::string url, std::string name, std::string password_hash,
bool _via_gui
) {
int retval;
unsigned int i;
char buf[256], password[256];
FILE *pwdf;
strlcpy(buf, url.c_str(), sizeof(buf));
error_num = ERR_IN_PROGRESS;
via_gui = _via_gui;
if (global_prefs_xml) {
free(global_prefs_xml);
global_prefs_xml = 0;
}
if (!strlen(buf) && strlen(gstate.acct_mgr_info.acct_mgr_url)) {
msg_printf(NULL, MSG_INFO, "Removing account manager info");
gstate.acct_mgr_info.clear();
boinc_delete_file(ACCT_MGR_URL_FILENAME);
boinc_delete_file(ACCT_MGR_LOGIN_FILENAME);
error_num = 0;
for (i=0; i<gstate.projects.size(); i++) {
PROJECT* p = gstate.projects[i];
p->attached_via_acct_mgr = false;
}
return 0;
}
canonicalize_master_url(buf);
if (!valid_master_url(buf)) {
error_num = ERR_INVALID_URL;
return 0;
}
strlcpy(ami.acct_mgr_url, url.c_str(), sizeof(ami.acct_mgr_url));
strlcpy(ami.acct_mgr_name, "", sizeof(ami.acct_mgr_name));
strlcpy(ami.login_name, name.c_str(), sizeof(ami.login_name));
strlcpy(ami.password_hash, password_hash.c_str(), sizeof(ami.password_hash));
FILE* f = boinc_fopen(ACCT_MGR_REQUEST_FILENAME, "w");
if (!f) return ERR_FOPEN;
fprintf(f,
"<acct_mgr_request>\n"
" <name>%s</name>\n"
" <password_hash>%s</password_hash>\n"
" <host_cpid>%s</host_cpid>\n"
" <domain_name>%s</domain_name>\n"
" <client_version>%d.%d.%d</client_version>\n"
" <run_mode>%s</run_mode>\n",
name.c_str(), password_hash.c_str(),
gstate.host_info.host_cpid,
gstate.host_info.domain_name,
gstate.core_client_major_version,
gstate.core_client_minor_version,
gstate.core_client_release,
run_mode_name[gstate.user_run_request]
);
if (strlen(gstate.acct_mgr_info.previous_host_cpid)) {
fprintf(f,
" <previous_host_cpid>%s</previous_host_cpid>\n",
gstate.acct_mgr_info.previous_host_cpid
);
}
if (gstate.acct_mgr_info.send_gui_rpc_info) {
// send GUI RPC port and password hash.
// User must enable this by hand
// this is for the "farm" account manager so it
// can know where to send gui rpc requests to
// without having to configure each host
//
if (gstate.cmdline_gui_rpc_port) {
fprintf(f," <gui_rpc_port>%d</gui_rpc_port>\n", gstate.cmdline_gui_rpc_port);
} else {
fprintf(f," <gui_rpc_port>%d</gui_rpc_port>\n", GUI_RPC_PORT);
}
if (boinc_file_exists(GUI_RPC_PASSWD_FILE)) {
strcpy(password, "");
pwdf = fopen(GUI_RPC_PASSWD_FILE, "r");
if (pwdf) {
fgets(password, 256, pwdf);
strip_whitespace(password);
fclose(pwdf);
}
fprintf(f," <gui_rpc_password>%s</gui_rpc_password>\n", password);
}
}
for (i=0; i<gstate.projects.size(); i++) {
PROJECT* p = gstate.projects[i];
fprintf(f,
" <project>\n"
" <url>%s</url>\n"
" <project_name>%s</project_name>\n"
" <suspended_via_gui>%d</suspended_via_gui>\n"
" <account_key>%s</account_key>\n"
" <hostid>%d</hostid>\n"
"%s"
" </project>\n",
p->master_url,
p->project_name,
p->suspended_via_gui,
p->authenticator,
p->hostid,
p->attached_via_acct_mgr?" <attached_via_acct_mgr/>\n":""
);
}
if (boinc_file_exists(GLOBAL_PREFS_FILE_NAME)) {
FILE* fprefs = fopen(GLOBAL_PREFS_FILE_NAME, "r");
if (fprefs) {
copy_stream(fprefs, f);
fclose(fprefs);
}
}
fprintf(f, "</acct_mgr_request>\n");
fclose(f);
sprintf(buf, "%srpc.php", url.c_str());
retval = gstate.gui_http.do_rpc_post(
this, buf, ACCT_MGR_REQUEST_FILENAME, ACCT_MGR_REPLY_FILENAME
);
if (retval) {
error_num = retval;
return retval;
}
msg_printf(NULL, MSG_INFO, "Contacting account manager at %s", url.c_str());
return 0;
}
int AM_ACCOUNT::parse(FILE* f) {
char buf[256];
int retval;
detach = false;
update = false;
url = "";
strcpy(url_signature, "");
authenticator = "";
while (fgets(buf, sizeof(buf), f)) {
if (match_tag(buf, "</account>")) {
if (url.length() && authenticator.length()) return 0;
return ERR_XML_PARSE;
}
if (parse_str(buf, "<url>", url)) continue;
if (match_tag(buf, "<url_signature>")) {
retval = copy_element_contents(
f,
"</url_signature>",
url_signature,
sizeof(url_signature)
);
if (retval) return retval;
continue;
}
if (parse_str(buf, "<authenticator>", authenticator)) continue;
if (parse_bool(buf, "detach", detach)) continue;
if (parse_bool(buf, "update", update)) continue;
}
return ERR_XML_PARSE;
}
int ACCT_MGR_OP::parse(FILE* f) {
char buf[256];
string message;
int retval;
accounts.clear();
error_str = "";
error_num = 0;
repeat_sec = 0;
strcpy(host_venue, "");
while (fgets(buf, sizeof(buf), f)) {
if (match_tag(buf, "</acct_mgr_reply>")) return 0;
if (parse_str(buf, "<name>", ami.acct_mgr_name, 256)) continue;
if (parse_int(buf, "<error_num>", error_num)) continue;
if (parse_str(buf, "<error>", error_str)) continue;
if (parse_double(buf, "<repeat_sec>", repeat_sec)) continue;
if (parse_str(buf, "<message>", message)) {
msg_printf(NULL, MSG_INFO, "Account manager: %s", message.c_str());
continue;
}
if (match_tag(buf, "<signing_key>")) {
retval = copy_element_contents(
f,
"</signing_key>",
ami.signing_key,
sizeof(ami.signing_key)
);
if (retval) return retval;
continue;
}
if (match_tag(buf, "<account>")) {
AM_ACCOUNT account;
retval = account.parse(f);
if (!retval) accounts.push_back(account);
continue;
}
if (match_tag(buf, "<global_preferences>")) {
retval = dup_element_contents(
f,
"</global_preferences>",
&global_prefs_xml
);
if (retval) {
msg_printf(NULL, MSG_ERROR,
"Can't parse global prefs in account manager reply: %s",
boincerror(retval)
);
return retval;
}
continue;
}
if (parse_str(buf, "<host_venue>", host_venue, sizeof(host_venue))) continue;
}
return ERR_XML_PARSE;
}
void ACCT_MGR_OP::handle_reply(int http_op_retval) {
unsigned int i;
int retval;
bool verified;
PROJECT* pp;
bool sig_ok;
if (http_op_retval == 0) {
FILE* f = fopen(ACCT_MGR_REPLY_FILENAME, "r");
if (f) {
retval = parse(f);
fclose(f);
} else {
retval = ERR_FOPEN;
}
} else {
error_num = http_op_retval;
}
gstate.acct_mgr_info.password_error = false;
if (error_num == ERR_BAD_PASSWD && !via_gui) {
gstate.acct_mgr_info.password_error = true;
}
// check both error_str and error_num since an account manager may only
// return a BOINC based error code for password failures or invalid
// email addresses
//
if (error_str.size()) {
msg_printf(NULL, MSG_ERROR, "Account manager error: %d %s", error_num, error_str.c_str());
if (!error_num) {
error_num = ERR_XML_PARSE;
}
} else if (error_num) {
msg_printf(NULL, MSG_ERROR, "Account manager error: %s", boincerror(error_num));
}
if (error_num) return;
msg_printf(NULL, MSG_INFO, "Account manager contact succeeded");
// demand a signing key
//
sig_ok = true;
if (!strlen(ami.signing_key)) {
msg_printf(NULL, MSG_ERROR, "No signing key from account manager");
sig_ok = false;
}
// don't accept new signing key if we already have one
//
if (strlen(gstate.acct_mgr_info.signing_key)
&& strcmp(gstate.acct_mgr_info.signing_key, ami.signing_key)
) {
msg_printf(NULL, MSG_ERROR, "Inconsistent signing key from account manager");
sig_ok = false;
}
if (sig_ok) {
strcpy(gstate.acct_mgr_info.acct_mgr_url, ami.acct_mgr_url);
strcpy(gstate.acct_mgr_info.acct_mgr_name, ami.acct_mgr_name);
strcpy(gstate.acct_mgr_info.signing_key, ami.signing_key);
strcpy(gstate.acct_mgr_info.login_name, ami.login_name);
strcpy(gstate.acct_mgr_info.password_hash, ami.password_hash);
// process projects
//
for (i=0; i<accounts.size(); i++) {
AM_ACCOUNT& acct = accounts[i];
retval = verify_string2(acct.url.c_str(), acct.url_signature, ami.signing_key, verified);
if (retval || !verified) {
msg_printf(NULL, MSG_ERROR, "Bad signature for URL %s", acct.url.c_str());
continue;
}
pp = gstate.lookup_project(acct.url.c_str());
if (pp) {
if (acct.detach) {
gstate.detach_project(pp);
} else {
if (strcmp(pp->authenticator, acct.authenticator.c_str())) {
msg_printf(pp, MSG_ERROR,
"Already attached under another account"
);
} else {
//msg_printf(pp, MSG_INFO, "Already attached");
pp->attached_via_acct_mgr = true;
// initiate a scheduler RPC if requested by AMS
//
if (acct.update) {
pp->sched_rpc_pending = true;
pp->min_rpc_time = 0;
}
}
}
} else {
if (!acct.detach) {
msg_printf(NULL, MSG_INFO,
"Attaching to %s", acct.url.c_str()
);
gstate.add_project(
acct.url.c_str(), acct.authenticator.c_str(), true
);
}
}
}
bool read_prefs = false;
if (strlen(host_venue) && strcmp(host_venue, gstate.main_host_venue)) {
strcpy(gstate.main_host_venue, host_venue);
read_prefs = true;
}
// process prefs if any
//
if (global_prefs_xml) {
retval = gstate.save_global_prefs(
global_prefs_xml, ami.acct_mgr_url, ami.acct_mgr_url
);
if (retval) {
msg_printf(NULL, MSG_ERROR, "Can't save global prefs");
}
read_prefs = true;
}
// process prefs if prefs or venue changed
//
if (read_prefs) {
gstate.read_global_prefs();
}
}
strcpy(gstate.acct_mgr_info.previous_host_cpid, gstate.host_info.host_cpid);
if (repeat_sec) {
gstate.acct_mgr_info.next_rpc_time = gstate.now + repeat_sec;
} else {
gstate.acct_mgr_info.next_rpc_time = gstate.now + 86400;
}
gstate.acct_mgr_info.write_info();
gstate.set_client_state_dirty("account manager RPC");
}
int ACCT_MGR_INFO::write_info() {
FILE* p;
if (strlen(acct_mgr_url)) {
p = fopen(ACCT_MGR_URL_FILENAME, "w");
if (p) {
fprintf(p,
"<acct_mgr>\n"
" <name>%s</name>\n"
" <url>%s</url>\n",
acct_mgr_name,
acct_mgr_url
);
if (send_gui_rpc_info) fprintf(p," <send_gui_rpc_info/>\n");
if (strlen(signing_key)) {
fprintf(p,
" <signing_key>\n%s</signing_key>\n",
signing_key
);
}
fprintf(p,
"</acct_mgr>\n"
);
fclose(p);
}
}
if (strlen(login_name)) {
p = fopen(ACCT_MGR_LOGIN_FILENAME, "w");
if (p) {
fprintf(
p,
"<acct_mgr_login>\n"
" <login>%s</login>\n"
" <password_hash>%s</password_hash>\n"
" <previous_host_cpid>%s</previous_host_cpid>\n"
" <next_rpc_time>%f</next_rpc_time>\n"
"</acct_mgr_login>\n",
login_name,
password_hash,
previous_host_cpid,
next_rpc_time
);
fclose(p);
}
}
return 0;
}
void ACCT_MGR_INFO::clear() {
strcpy(acct_mgr_name, "");
strcpy(acct_mgr_url, "");
strcpy(login_name, "");
strcpy(password_hash, "");
strcpy(signing_key, "");
strcpy(previous_host_cpid, "");
next_rpc_time = 0;
send_gui_rpc_info = false;
password_error = false;
}
ACCT_MGR_INFO::ACCT_MGR_INFO() {
clear();
}
int ACCT_MGR_INFO::init() {
char buf[256];
MIOFILE mf;
FILE* p;
int retval;
clear();
p = fopen(ACCT_MGR_URL_FILENAME, "r");
if (!p) return 0;
mf.init_file(p);
while(mf.fgets(buf, sizeof(buf))) {
if (match_tag(buf, "</acct_mgr>")) break;
else if (parse_str(buf, "<name>", acct_mgr_name, 256)) continue;
else if (parse_str(buf, "<url>", acct_mgr_url, 256)) continue;
else if (parse_bool(buf, "send_gui_rpc_info", send_gui_rpc_info)) continue;
else if (match_tag(buf, "<signing_key>")) {
retval = copy_element_contents(
p,
"</signing_key>",
signing_key,
sizeof(signing_key)
);
if (retval) return retval;
}
}
fclose(p);
p = fopen(ACCT_MGR_LOGIN_FILENAME, "r");
if (p) {
mf.init_file(p);
while(mf.fgets(buf, sizeof(buf))) {
if (match_tag(buf, "</acct_mgr_login>")) break;
else if (parse_str(buf, "<login>", login_name, 256)) continue;
else if (parse_str(buf, "<password_hash>", password_hash, 256)) continue;
else if (parse_str(buf, "<previous_host_cpid>", previous_host_cpid, sizeof(previous_host_cpid))) continue;
else if (parse_double(buf, "<next_rpc_time>", next_rpc_time)) continue;
}
fclose(p);
}
return 0;
}
bool ACCT_MGR_INFO::poll() {
if (gstate.acct_mgr_op.error_num == ERR_IN_PROGRESS) return false;
// if we do not any any credentials we shouldn't attempt to contact
// the account manager should should reject us anyway for a bad
// login. This also avoids the bug where the content of
// acct_mgr_url.xml is overwritten with incomplete information such
// as the account manager name.
//
if (!strlen(login_name) && !strlen(password_hash)) return false;
if (gstate.now > next_rpc_time) {
next_rpc_time = gstate.now + 86400;
gstate.acct_mgr_op.do_rpc(
acct_mgr_url, login_name, password_hash, false
);
return true;
}
return false;
}
const char *BOINC_RCSID_8fd9e873bf="$Id$";